Variable high-resistance element and method of making the same



April 26, 1927.

I 1,326,421 I... F. M UTE R VARIABLE HIGH RESISTANCE ELEMENT AND METHOD OF MAKING THE SAME Filed, April s, 1926 sisfiancc eiemera i on the i z'csistance strips, c in die element "101- much as thv (urns are all sever-2d, and xei'ai turns are not in Contact: with each W1; 110 current will P2155 "mm one tum Lu iitn iill'OLigil the wire iLself, and

no pei'cep cibic noise in the outwhen time i'esisinncc is varied 'uinent 01. die SiidiLiJiQ clip.

Y ham shown the resistance ele- M UililIGii in a "'riziiozik SilOii 10, the

w tam resistance cieli'ieiii. being circular in outiine, and i1 3 arm 11 i'otaitziblu about the elvinunt to vary E 31205 as (ksii'edi In Fig. 6, i have s irii'tII-L'G eicmcnt A mounthaving Elie arm 13 1 i i M ,lib 1mm 15 used I I Uifllllg Iliifi binding post 1:), the wing cm'incci cd with H, 112.101, (710%; shown) or to n the circuit, while the 1" are cozinecied with t'zmce element A, so that 11g.- ji minus may be 00nmg 1101 16 and IT.

ed H1111: in either instance vi'iiz'u. fi'rim i'i'm rotation of the arms be taken up by the wire .1- s0 Siii 1 2 and 3 are pro- Ii mice W081, 0: disintein ii; will he svvn that I 1111(0 clement wherein (i and in \ViHCil is tightly plurality of 02 F110 tZlDCC strips. the shim-e being Inuit up 15 mm] area. T11R51 'ii'oviding a iigh resist- (or-9, lint v in my :1 iiiivi sin-i i m m-ii in itself \wiiiii hm":

i in

iim'iiie :1 h 111 i' :1." (-0 Famw iimw M ii enmigh in imw iiriimiiimi in "i" 0 (m0 six-i i. Riv

UZ'I'PHL carrying capacity 

